Math, asked by Anonymous, 4 months ago

Answer it
question of class 10

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Answered by hakimsarah75

2

Answer:

8.1

Step-by-step explanation:

CI F X FX

0-2 1 1 1

2-4 2 3 6

4-6 1 5 5

6-8 5 7 35

8-10 6 9 54

10-12 2 11 22

12-14 3 13 39

sigmaf=20 sigmafx=162

Mean=sigmafx/sigmax

=162/20

=81/10

=8.1

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